Gemstones are a part of many ancient cultures, often considered to be a talisman or symbol of good luck or fortune. For thousands of years they have been made into rings, bracelets, amulets, brooches & pendants to capture their magic.Ancient Wisdom Powers of Malachite: Transformation & BalanceA popular theory is that gemstones contain vibrational energy. By placing gemstones within a person's aura, it is possible to change the vibrations of that aura. Tumble Stones - Malachite L are beautiful natural materials that have been given a pleasing shape and a bright polish. Attractive, interesting and fun to collect, they certainly sell well! These Tumble Gemstones are packed in bags of 24 and are approximately 20 mm - 30 mm per stone. This is the most popular collectable size. A good display in a gift e-shop or craft shop will always generate sales.